One call, one receipt
One call, one receipt: GSTIN + PAN + UPI VPA + IFSC for an Indian counterparty. Four deterministic structural checks, each stating its own scope. Built for cross-border procurement where the buyer is an agent that cannot open an INR account.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
42 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://hcrb.in/v1/tools/india-supplier-check/call
| Category | Everything else |
|---|---|
| Provider host | hcrb.in |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.02 | 42 ms |
Example input (from the provider)
{
"body": {
"input": {
"gstin": "27AAPFU0939F1ZV",
"ifsc": "HDFC0001234",
"pan": "AAACP1234M",
"vpa": "merchant@okhdfcbank"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"input": {
"properties": {
"gstin": {
"description": "GSTIN (15 chars, optional)",
"type": "string"
},
"ifsc": {
"description": "IFSC bank code (optional)",
"type": "string"
},
"pan": {
"description": "PAN (10 chars, optional)",
"type": "string"
},
"vpa": {
"description": "UPI VPA handle (optional)",
"type": "string"
}
},
"required": [],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"all_valid": {
"type": "boolean"
},
"checked_count": {
"type": "number"
},
"corridor": {
"type": "string"
},
"next_steps": {
"type": "string"
},
"results": {
"type": "array"
},
"scope": {
"type": "string"
},
"tool": {
"type": "string"
},
"verdict": {
"type": "string"
}
},
"required": [
"checked_count",
"all_valid"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}